--- title: "406 DF — App Overview" url: https://marlvel.ai/intel-report/navigation/cap--06df category: Navigation developer: Yunxia Liu platforms: ios rating: N/A (0 ratings) pricing: paid report_level: overview generated: 2026-05-06 last_verified: "2026-05-06T00:49:51.452Z" --- > **Key Insight:** This is a niche utility app specifically engineered to support search and rescue operations involving 406 MHz ELT signal tracking. | Metric | Value | |--------|-------| | Category | Navigation | | Rating | N/A ★ (0) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 1.0 | | Developer | Yunxia Liu | ## What is 406 DF? 406 DF is a navigation tool designed to assist search and rescue personnel in locating Emergency Locator Transmitters (ELT). The app integrates with 406 MHz directional finding equipment to streamline the recovery process. ## Key Features - **ELT Localization**: Provides technical support for locating Emergency Locator Transmitters using 406 MHz signals. - **Directional Finding Integration**: Designed to interface with specialized 406 MHz directional finding equipment. ## Who is it for? Search and rescue personnel equipped with 406 MHz directional finding hardware. ## Links - [App Store](https://apps.apple.com/us/app/406-df/id6759626601?uo=2) - [Full Intelligence Report](https://marlvel.ai/intel-report/navigation/cap--06df) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/navigation/cap--06df).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*